This virus contains a serious error, which prevents it from successfully infecting any file larger than around 4000 bytes. Larger files will be partially overwritten with garbage. The virus is encrypted, and contains the text string
Klaeren Ha¡, Ha¡!
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.